[CH:1]([C:3]1[CH:17]=[CH:16][C:6]([O:7][CH2:8][C:9]([O:11][C:12]([CH3:15])([CH3:14])[CH3:13])=[O:10])=[CH:5][CH:4]=1)=O.[Cl:18][C:19]1[CH:25]=[CH:24][C:22]([NH2:23])=[CH:21][CH:20]=1>C1(C)C=CC=CC=1>[Cl:18][C:19]1[CH:25]=[CH:24][C:22](/[N:23]=[CH:1]/[C:3]2[CH:17]=[CH:16][C:6]([O:7][CH2:8][C:9]([O:11][C:12]([CH3:15])([CH3:14])[CH3:13])=[O:10])=[CH:5][CH:4]=2)=[CH:21][CH:20]=1tert-Butyl (4-formylphenoxy)acetate (17.4 g, 73.4 mmol) was dissolved in dry toluene (120 mL) and 4-chloroaniline (9.37 g, 73.4 mmol) was added. The mixture was refluxed in a Dean-Stark apparatus for 20 hours, cooled and concentrated under reduced pressure. Hexane was added and a precipitate formed. This precipitate was filtered, washed twice with cold hexane and dried. This afforded the title compound.
Wird geladen…